262640322142 has 8 divisors (see below), whose sum is σ = 429775072632. Its totient is φ = 119381964600.

The previous prime is 262640322137. The next prime is 262640322151. The reversal of 262640322142 is 241223046262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 262640322098 and 262640322107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5969098209 + ... + 5969098252.

It is an arithmetic number, because the mean of its divisors is an integer number (53721884079).

Almost surely, 2^262640322142 is an apocalyptic number.

262640322142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

262640322142 is a deficient number, since it is larger than the sum of its proper divisors (167134750490).

262640322142 is a wasteful number, since it uses less digits than its factorization.

262640322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938196474.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 262640322142 in words is "two hundred sixty-two billion, six hundred forty million, three hundred twenty-two thousand, one hundred forty-two".